Weather in Channel Islands National Park in september 2025

The weather in Channel Islands National Park in the month of september comes from statistical datas on the past years. You can view the weather statistics for the whole month, but also navigating through the tabs for the beginning, the middle and the end of the month.

Average weather throughout september

perfect weather UV index: 6

Weather at 6am
68°F

Partly Cloudy

13%

Heavy rain

8%

Moderate rain at times

5%

Weather at 12pm
68°F

Partly Cloudy

17%

Cloudy

5%

Moderate rain at times

4%

Weather at 6pm
70°F

Partly Cloudy

13%

Cloudy

5%

Moderate rain at times

4%

Weather at 3am
70°F

Clear/Sunny

74%

Partly Cloudy

14%

Heavy rain

5%

Fog

4%



Evolution of daily average temperature and precipitation in Channel Islands National Park in september

These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Channel Islands National Park in september.


The climate of Channel Islands National Park in september is perfect

In september in Channel Islands National Park, the climate is dry ; it does not rain often (0.6in of rainfall over 1 days).

The climate comfortable here september. The high seasonal norm is 72°F. On average, the recorded minimum temperature is 68°F. Thus, the mean temperature average on this month of september in Channel Islands National Park is 70°F. Note that seasonal normals in contrast with those observed in Channel Islands National Park in the month of september with a maximum record of 81°F in 2020 and a minimum record of 56°F in 2018.

Day length in Channel Islands National Park in september is 12:22. Sunrise is at 05:43 and sets at 18:05.

With a perfect weather, september is advisable to go in this locality.



Seasonal average climate and temperature of Channel Islands National Park in september

Check below seasonal norms These statistics are generated from the weather statements of the past years of september.

September
Outside temperature
Average temperature 70°F
Highest temperature 72°F
Lowest temperature 68°F
Highest record temperature 81°F
(2020)
Lowest record temperature 56°F
(2018)
Number of days at +65°F 29 day(s)
(97%)
Sea temperature
Average sea temperature 62°F
Lowest sea temperature 58°F
Highest sea temperature 65°F
Wind
Wind speed 20km/h
Wind temperature 68°F
Precipitation (rainfall)
Rainfall 0.6in
Number of days with rainfall 1 day(s)
(2%)
Record daily rainfall 1.2in
(2017)
Other climate data
Humidity 81%
Visibility 9.53km
Cloud cover 15%
UV index 6
Daily sunshine hours 12
Sunrise and sunset
Time of sunrise 05:43
Time of sunset 18:05
Length of day 12:22
Our opinion about the weather in september
Our opinion at whereandwhen.net perfect



How was the weather last september?

Here is the day by day recorded weather in Channel Islands National Park in september 2024:

01-09-2024
Clear/Sunny
67°F to 72°F
02-09-2024
Clear/Sunny
67°F to 72°F
03-09-2024
Clear/Sunny
68°F to 74°F
04-09-2024
Clear/Sunny
68°F to 74°F
05-09-2024
Clear/Sunny
70°F to 76°F
06-09-2024
Clear/Sunny
74°F to 76°F
07-09-2024
Clear/Sunny
72°F to 76°F
08-09-2024
Clear/Sunny
74°F to 77°F
09-09-2024
Clear/Sunny
74°F to 76°F
10-09-2024
Clear/Sunny
68°F to 74°F
11-09-2024
Clear/Sunny
63°F to 67°F
12-09-2024
Clear/Sunny
63°F to 67°F
13-09-2024
Clear/Sunny
63°F to 67°F
14-09-2024
Patchy rain nearby
63°F to 65°F
15-09-2024
Clear/Sunny
61°F to 65°F
16-09-2024
Clear/Sunny
63°F to 67°F
17-09-2024
Clear/Sunny
59°F to 68°F
18-09-2024
Cloudy
58°F to 63°F
19-09-2024
Partly Cloudy
59°F to 65°F
20-09-2024
Thundery outbreaks in nearby
59°F to 63°F
21-09-2024
Cloudy
58°F to 65°F
22-09-2024
Partly Cloudy
61°F to 70°F
23-09-2024
Partly Cloudy
63°F to 74°F
24-09-2024
Partly Cloudy
61°F to 72°F
25-09-2024
Partly Cloudy
61°F to 70°F
26-09-2024
Partly Cloudy
61°F to 68°F
27-09-2024
Partly Cloudy
59°F to 68°F
28-09-2024
Partly Cloudy
59°F to 68°F
29-09-2024
Partly Cloudy
61°F to 70°F
30-09-2024
Partly Cloudy
63°F to 72°F

Map: other cities in California in september

Cities near Channel Islands National Park:

Santa Barbara in septemberperfect weather
Ventura in septemberperfect weather
Oxnard in septemberperfect weather
Gaviota in septemberperfect weather
Los Padres National Forest in septemberperfect weather
Malibu in septemberperfect weather
Lompoc in septemberperfect weather
Topanga in septemberperfect weather
Santa Monica in septemberperfect weather
Santa Maria in septemberperfect weather
Manhattan Beach in septemberperfect weather
Hollywood in septemberperfect weather
California in september: See full list of cities

Click over cities on the map for information about the weather in september.

Legend: Channel Islands National Park perfect weather good tolerable bad very bad


Weather data for Channel Islands National Park in september:

Weather data for Channel Islands National Park for september are derived from an average of the weather forecast since 2009 in Channel Islands National Park. There is a margin of error and these forecasts are to be considered as general information only. The weather in Channel Islands National Park can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Channel Islands National Park.


Weather in august in Channel Islands National Park
Weather in october in Channel Islands National Park
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